👀 See Clearly, Test Smartly! Inches and centimeters for precise measurements. Compact size fits perfectly in your pocket. Two eye charts in one for versatile testing. Red and green bars for easy color assessments. Perfect for optometrists, med students, and home use. 36cm Rosenbaum chart Sturdy plastic design The NOYOC2 Pack Pocket Eye Chart offers a dual-sided design featuring a 6-foot Snellen chart and a 36cm Rosenbaum chart, all in a portable, sturdy format. Ideal for eye exams in various settings, it includes built-in rulers and color vision testing capabilities, making it a must-have for professionals and families alike.